import http.server
import socketserver

PORT = 8000

class MyHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
    def end_headers(self):
        self.send_header("Cache-Control", "no-cache, no-store, must-revalidate")
        self.send_header("Pragma", "no-cache")
        self.send_header("Expires", "0")
        super().end_headers()

with socketserver.TCPServer(("", PORT), MyHTTPRequestHandler) as httpd:
    print(f"Serving HTTP on 0.0.0.0 port {PORT} (http://0.0.0.0:{PORT}/) ...")
    try:
        httpd.serve_forever()
    except KeyboardInterrupt:
        print("")
        print("Keyboard interrupt received, exiting.")
        exit()